Table 5.

Intermonomer interactions for alanine racemases from Gram-positive bacteria calculated using PISA [69] and PROTORP [70]

	Buried surface area (Å2)		H-bonds	Salt link	# residues		% interface residues
	Monomer A	Monomer B			A	B	polar	non-polar	charged
AlrSP	3035	3020	33	10	91	91	30	47	22
AlrGS	3058	3109	43	17	89	88	27	43	30
AlrSL	2800	2799	26	6	87	87	39	43	18
AlrBA	3529	3529	45	10	93	95	28	44	27
AlrEF	2936	2936	38	12	86	86	32	41	28